Home / 26,268.87-39,403.31-11,272.53

Finding the Fourth Proportional to 26,268.87, 39,403.31 and 11,272.53

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Solution

The fourth proportional to 26,268.87, 39,403.31 and 11,272.53 is: 16,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,268.87 : 39,403.31 = 11,272.53 : x
  2. Step 2: Convert to fraction form
    26,268.87/39,403.31 = 11,272.53/x
  3. Step 3: Cross multiply
    26,268.87x = 39,403.31 × 11,272.53
  4. Step 4: Simplify right side
    26,268.87x = 444,174,937.71
  5. Step 5: Solve for x
    x = 444,174,937.71/26,268.87
  6. Step 6: Final answer
    x = 16,908.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.